Mouth vs. Nasal breathingThere is now evidence that mouth breathing has far more serious and long-lasting implications than drying of oral tissues. Excerpted from an article by Trisha O’Hehir. Mouth breathing32.77 Kb. 1

د. حيدر الزريجاوي Bad Oral HabitsHabit is defined as the action or condition which had become fixed by frequent repetition. Repetitive behaviours are common in infantile period and most of them are started and finished spontaneously with age. Mouth breathing42.77 Kb. 1

Mouth breathing and asthmaWe speculate that asthmatics may have an increased tendency to switch to oral breathing, a factor that may contribute to the pathogenesis of their asthma. Mouth breathing47.85 Kb. 1